qemu-thread.h

   1 #ifndef __QEMU_THREAD_H
   2 #define __QEMU_THREAD_H 1
   3
   4 #include <inttypes.h>
   5
   6 typedef struct QemuMutex QemuMutex;
   7 typedef struct QemuCond QemuCond;
   8 typedef struct QemuThread QemuThread;
   9
  10 #ifdef _WIN32
  11 #include "qemu-thread-win32.h"
  12 #else
  13 #include "qemu-thread-posix.h"
  14 #endif
  15
  16 #define QEMU_THREAD_JOINABLE 0
  17 #define QEMU_THREAD_DETACHED 1
  18
  19 void qemu_mutex_init(QemuMutex *mutex);
  20 void qemu_mutex_destroy(QemuMutex *mutex);
  21 void qemu_mutex_lock(QemuMutex *mutex);
  22 int qemu_mutex_trylock(QemuMutex *mutex);
  23 void qemu_mutex_unlock(QemuMutex *mutex);
  24
  25 #define rcu_read_lock() do { } while (0)
  26 #define rcu_read_unlock() do { } while (0)
  27
  28 void qemu_cond_init(QemuCond *cond);
  29 void qemu_cond_destroy(QemuCond *cond);
  30
  31 /*
  32  * IMPORTANT: The implementation does not guarantee that pthread_cond_signal
  33  * and pthread_cond_broadcast can be called except while the same mutex is
  34  * held as in the corresponding pthread_cond_wait calls!
  35  */
  36 void qemu_cond_signal(QemuCond *cond);
  37 void qemu_cond_broadcast(QemuCond *cond);
  38 void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex);
  39
  40 void qemu_thread_create(QemuThread *thread,
  41                         void *(*start_routine)(void *),
  42                         void *arg, int mode);
  43 void *qemu_thread_join(QemuThread *thread);
  44 void qemu_thread_get_self(QemuThread *thread);
  45 int qemu_thread_is_self(QemuThread *thread);
  46 void qemu_thread_exit(void *retval);
  47
  48 #endif